Used in various industries, these are the most popular type of rolling bearings. 

Basic features: 
1) Simple design
2) Inseparability 
3) Easiness of assembly 
4) High rates of rotation, especially for smaller and narrower series 
5) Possibility of radial and partial axial load transfers in both directions 

Versions: 
1) With one or two side rubber seal RS, 2RS 
2) With reinforced one or two side rubber seal RSR, 2RSR 
3) With one or two side metal shields Z and ZZ (2Z)
4) With a snap ring groove in outer ring N 
5) With a snap ring groove in outer ring and external snap ring NR 
6) In different radial clearances C5, C4, C3, C2 
7) In many combinations of the above mentioned versions 

R series, 16 series, 60 series, 62 series, 63 series, 67 series, 68 series, 69 series and non-standard series:
1) 60 series: 604-6012.604, 605, 606, 607, 608, 609, 6000-6012 
2) 62 series: 623-6212.623, 624, 625, 626, 627, 628, 629, 6200-6212 
3) 63 series: 634-6312.634, 635, 636, 637, 638, 639, 6300-6312 
4) 68 series: 684-6812.684, 685, 686, 687, 688, 689, 6800-6812 
5) 69 series: 694-6912.694, 695, 696, 697, 698, 699, 6900-6912
6) 67 series: 6700-6707 
7) 16000 series: 16000-16007 
8) R series: R2-R20 
9) 1600 series: 1601-1641 
10) Stainless steel bearings series: 608-6006, 628-6206, 638-6306
11) Non-standard bearings
12) Needle bearings
13) Tapered roller bearings
14) Pillow block bearings 

Inner packing: Individual paper boxes, tubes, plastic bags 

Outer packing: Standard export cartons, pallets